When trading futures on Binance, you'll see "Cross" and "Isolated" margin options. This isn't a trivial choice — it directly determines your risk exposure and how liquidation works.
Futures trading requires a Binance account with the feature enabled. Sign up for Binance. After downloading the Binance app, you can switch between cross and isolated modes on the futures trading page.
Isolated Margin Mode
In isolated mode, you allocate margin separately for each trade. Say your futures account has 1,000 USDT and you open a BTC long with 200 USDT — that trade's margin is 200 USDT, independent of the remaining 800 USDT.
If this trade's losses deplete its margin, triggering liquidation, you lose at most 200 USDT. The remaining 800 USDT is unaffected.
Isolated margin's biggest advantage is controlled risk — each trade's maximum loss equals its allocated margin. Ideal for traders running multiple positions who want to control per-trade risk.
Downside: limited margin means easier liquidation. Even moderate market swings can trigger it.
Cross Margin Mode
In cross mode, all funds in your futures account serve as margin. Using the same example — you open a BTC long with 1,000 USDT in your account. Even if the position only uses 200 USDT in value, the remaining 800 USDT automatically backs it.
Cross margin's advantage is stronger resilience against volatility — with ample margin, small fluctuations won't knock you out. As long as your total balance holds, positions survive.
Downside: larger risk exposure. A major adverse move could wipe out your entire futures account, not just one position's margin.
How to Choose
Beginners should use isolated mode. The reason is simple: isolated automatically limits each trade's risk. Even if you forget to set a stop-loss, the worst case is that trade's margin goes to zero without dragging down your entire account.
Experienced traders can use cross mode, provided they have solid position management and stop-loss discipline. Cross mode's benefit is avoiding unnecessary stop-outs from short-term noise.
Practical Comparison
Assume you have 1,000 USDT, opening a 10x leveraged BTC long worth 500 USDT (50 USDT margin).
Isolated mode: BTC drops 2%, you lose 100 USDT. But since isolated margin is only 50 USDT, liquidation triggers near the 50 USDT loss point. Maximum loss: 50 USDT.
Cross mode: BTC drops 2%, you lose 100 USDT. But since the full 1,000 USDT is margin, the position stays open. You can hold and wait for recovery. Theoretically, BTC would need to drop ~20% to consume the entire 1,000 USDT.
Can You Switch Mid-Trade
Yes. You can freely switch when you have no open positions. With open positions, you typically can't switch directly — close positions first, then change the mode.
Decide on your mode before opening a position rather than agonizing over it afterward.
Overall Recommendations
Small capital, limited experience: Isolated. Protecting capital is paramount.
Large capital, strict stop-losses: Cross. Reduces unnecessary stop-outs from noise.
Multiple positions in different directions simultaneously: Isolated. Prevents one loss from dragging down others.